drivers/crypto/ccree/cc_buffer_mgr.h

Source file repositories/reference/linux-study-clean/drivers/crypto/ccree/cc_buffer_mgr.h

File Facts

System
Linux kernel
Corpus path
drivers/crypto/ccree/cc_buffer_mgr.h
Extension
.h
Size
1915 bytes
Lines
71
Domain
Driver Families
Bucket
drivers/crypto
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct cc_mlli {
	u32 sram_addr;
	unsigned int mapped_nents;
	unsigned int nents; //sg nents
	unsigned int mlli_nents; //mlli nents might be different than the above
};

struct mlli_params {
	struct dma_pool *curr_pool;
	void *mlli_virt_addr;
	dma_addr_t mlli_dma_addr;
	u32 mlli_len;
};

int cc_buffer_mgr_init(struct cc_drvdata *drvdata);

int cc_buffer_mgr_fini(struct cc_drvdata *drvdata);

int cc_map_cipher_request(struct cc_drvdata *drvdata, void *ctx,
			  unsigned int ivsize, unsigned int nbytes,
			  void *info, struct scatterlist *src,
			  struct scatterlist *dst, gfp_t flags);

void cc_unmap_cipher_request(struct device *dev, void *ctx, unsigned int ivsize,
			     struct scatterlist *src, struct scatterlist *dst);

int cc_map_aead_request(struct cc_drvdata *drvdata, struct aead_request *req);

void cc_unmap_aead_request(struct device *dev, struct aead_request *req);

int cc_map_hash_request_final(struct cc_drvdata *drvdata, void *ctx,
			      struct scatterlist *src, unsigned int nbytes,
			      bool do_update, gfp_t flags);

int cc_map_hash_request_update(struct cc_drvdata *drvdata, void *ctx,
			       struct scatterlist *src, unsigned int nbytes,
			       unsigned int block_size, gfp_t flags);

void cc_unmap_hash_request(struct device *dev, void *ctx,
			   struct scatterlist *src, bool do_revert);

void cc_copy_sg_portion(struct device *dev, u8 *dest, struct scatterlist *sg,
			u32 to_skip, u32 end, enum cc_sg_cpy_direct direct);

#endif /*__BUFFER_MGR_H__*/

Annotation

Implementation Notes